message("\n\nin src dir cmake")
# message("CMAKE_BINARY_DIR " ${CMAKE_BINARY_DIR})
# message("PROJECT_BINARY_DIR " ${PROJECT_BINARY_DIR})
# message("<project_name>_BINARY_DIR " ${hello_BINARY_DIR})

project(src)

# message("CMAKE_SOURCE_DIR " ${CMAKE_SOURCE_DIR})
# message("PROJECT_SOURCE_DIR " ${PROJECT_SOURCE_DIR})
# message("<project_name>_SOURCE_DIR " ${hello_SOURCE_DIR})
# message("<project_name>_SOURCE_DIR " ${src_SOURCE_DIR})

# message("CMAKE_CURRENT_SOURCE_DIR " ${CMAKE_CURRENT_SOURCE_DIR})
# message("CMAKE_CURRENT_BINARY_DIR " ${CMAKE_CURRENT_BINARY_DIR})

# message("CMAKE_CURRENT_LIST_FILE " ${CMAKE_CURRENT_LIST_FILE})
# message("CMAKE_CURRENT_LIST_LINE " ${CMAKE_CURRENT_LIST_LINE})

# message("CMAKE_MODULE_PATH " ${CMAKE_MODULE_PATH}) # 需要设置艹

# message("EXECUTABLE_OUTPUT_PATH " ${EXECUTABLE_OUTPUT_PATH}) # 需要设置艹
# message("LIBRARY_OUTPUT_PATH " ${LIBRARY_OUTPUT_PATH}) # 需要设置艹

# message("PROJECT NAME " ${PROJECT_NAME})